VSSC FRP Paper 2016

Vikram Sarabhai Space Center FRP Paper 2016

E-glass type of fiber is used in
(a) Electrical applications
(b) Environmental applications
(c) Emission applications
(d) Strength applications

One of the major drawbacks of advanced composite materials is
(a) their high cost of fabrication
(b) their low specific elastic modulus
(c) that they are extremely heavy
(d) their low spcific strength

The most common fibers used in advanced polymer composites are
(a) glass, steel, and aluminium
(b) glass, graphite, and kevlar
(c) glass, steel, and kevlar
(d) glass, boron and steel

The expansion of PMC stands for
(a) Polymer Metal Composition
(b) Polymer Matrix Composite
(c) Polyethylene Metal Composition
(d) Polyester material composite

Bullet resistant vests mainly use the following fiber
(a) Boron
(b) Glass
(c) Graphite
(d) Kevlar

Which of the following composites are replacing metals in golf shafts?
(a) Carbon-Carbon
(b) Carbon/Epoxy
(c) Boron/ Epoxy
(d) Glass/ Epoxy

Specific modulus is given by
(a) Square root of Young’s modulus/density
(b) Strength/density
(c) Young’s modulus/density
(d) Square root of Strength/density

Out of the following, which polymer has the highest service temperature?
(a) Phenolic
(b) Epoxy
(c) Polyester
(d) Polymide

Amongst the choices given below, high stiffiness applications in the aerospace industry use
(a) Kelvar 49
(b) Kelvar 29
(c) E-Glass
(d) S-Glass

A general working definition of strain can be given as
(a) Final length divided by the initial length
(b) The change in length of a specimen
(c) The change in length divided by the final length
(d) The change in length divided by the initial leng